Search a number
-
+
65304030 = 23511197891
BaseRepresentation
bin1111100100011…
…1010111011110
311112212210021210
43321013113132
5113204212110
610251405250
71422034521
oct371072736
9145783253
1065304030
1133953980
1219a53826
13106b624c
14895cbb8
155aee520
hex3e475de

65304030 has 32 divisors (see below), whose sum is σ = 170978688. Its totient is φ = 15831200.

The previous prime is 65303981. The next prime is 65304037. The reversal of 65304030 is 3040356.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65303988 and 65304006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65304037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98616 + ... + 99275.

It is an arithmetic number, because the mean of its divisors is an integer number (5343084).

Almost surely, 265304030 is an apocalyptic number.

65304030 is an abundant number, since it is smaller than the sum of its proper divisors (105674658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65304030 is a wasteful number, since it uses less digits than its factorization.

65304030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197912.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 65304030 is about 8081.0908917052. The cubic root of 65304030 is about 402.6984836938.

Adding to 65304030 its reverse (3040356), we get a palindrome (68344386).

The spelling of 65304030 in words is "sixty-five million, three hundred four thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 197891 395782 593673 989455 1187346 1978910 2176801 2968365 4353602 5936730 6530403 10884005 13060806 21768010 32652015 65304030